MX2007011979A

MX2007011979A - Rotary cutting tool.

Info

Publication number: MX2007011979A
Application number: MX2007011979A
Authority: MX
Inventors: Dmitri Tchorny
Original assignee: Iscar Ltd
Priority date: 2005-03-29
Filing date: 2006-03-15
Publication date: 2007-12-07
Also published as: WO2006103650A1; CN101151117B; AU2006228514A1; NO20075465L; PT1863610E; ZA200707886B; RU2402410C2; JP5049262B2; TW200633802A; CA2602761C; JP2008534300A; CA2602761A1; IL167728A; CN101151117A; NZ560989A; ES2361428T3; EP1863610B1; BRPI0608497A2; RU2007135652A; US20060222470A1

Abstract

A rotary cutting tool (10) having a cutting insert (34) slidably supported therin. The cutting insert (34) is moveable from a retracted position to an extended position by means of a pressurized fluid which bears directly against the cutting insert.

Description

ROTATING CUTTING TOOL FIELD OF THE INVENTION The present invention is related to a rotary cutting tool having a corning insert for barri i ent or desbasLc hole drilling. BACKGROUND OF THE INVENTION

[0002] The traditional tools are known either in the form of tools with autonomy to deburr here already made or in the form of drill bits that Lionera capaci da lime de dosba r bam i en incorporated l ', n both cases the desba rbam i was t or is usually made by a spring loaded insert. However, there are s? Lude ions in which there is not enough space for a spring. This may be the case for cutting tools with a very small diameter in drills where the insert is required to insert the tester with the edge of the corrugated edges of the drill bit. The US patented 6.2 / 0.295 discloses a cutting tool that uses presumed fluid to inductively fill a cuch. A pin 118 resides in a side duct 117 and the protruding fluid, which in the side duct 1 1, helps to push the piston 1? Contain a cartridge \? 7 that scast a cuchi l ia 126. I s an ionic cataplo sion l présenle invention to provide an improved deburring mechanism for a tool cor La rile rot to ia. The objects of the invention are attained with maturity in accordance with the respective claims. BRIEF DESCRIPTION OF THE INVENTION According to the present invention, it is provided: < ? Hei rdnnenlcj rotating corolla that cane an inactive length of the axle and comprises: a duct, for the fl uid passage, formed in the hollow and generally extending axially, a cavity of insertion or open outward to a surface of the tool, cut along the path of: an ablution, the cavity of: insert that communicates with c: 1 conduct, and a lining insert that is permanently retained. In the impasse cavity, the insert is cut: it: is dislodged from: a scratched position to a position extended by means of the ptesion: A idea applied by the product which has been contoured. and biasing the cutting insert toward the extended position, where in the expanded structure at least a portion of: I cutting insert: protrudes from the opening over the surface of the surface: peripheral of the cutting tool. Preferably, a recess of retention opens to the peripheral surface and communicates with the cavity dc: irise r lea. T 1 p i canon:, c: 1 insc: rlo corl.anLo has an axis of: insert that: del i ne: a d i r ecaca l back to f ronla l and a pl.ano that i nc; Look at the axis: dc: what happens through it and what is the corolla that includes: a portion of the body; It has a back surface in a LR-Loro excrome: the portion of the body, and a corolla portion at a front end of the portion of the body: the RCA portion, the coronal portion: which has: two coronal edges that: mask dc: r ca f I ex ion simélr ioa with rospec: lo al plano. Genera lly :, the pro fi le fixture is directly connected to the surface (insert thread): Preferably, a retention member is localized in the retention bore and collet. Inda with the caorlanlc insorlo: when the corning insert is in the pos i ca i can c: xt ond i da.If desired, the rotary tool is a b roca.The présenlo in vcarac; i c'an provides the following There are no complex mechanisms or springs that are biased to bias the shear insert of the rbarn i in Lo. Kslo habi I i The incorporation of the insert of desba r bam i enl.o en a bit in the vicinity of the edges wavy dc: the bit. ! ' I insert of: desba rbamiento can be incorporated in tools of small diameter in which there is insufficient space for springs, or the like. Your i mp I n e n t i n e is not expensive. 1? I can not be inserted at the front end of a drill bit, and the drill bit has been drilled and deburred both cacicas cic: I agujc: ro. BRIEF DESCRIPTION OF THE DRAWINGS For a better understanding of the present invention and show how; the same can be carried out in practice, the re-c: rene; Now, it will be made to the drawings in pairs, in 1 case: Fig. 1 is a first partial side view of a drill that has: a deburring mechanism in accordance with I present it in vene: i can; Fig. 2 is a second view of the partial line of the drill with its chord and dismantling mechanism shown in hidden lines; Fig. 3 cs a cross-sectional view of the mechanism of dc: desba rbam i ento lomada along the line 1"1 I -I 1 1 in l Fig. 1, Fig. 4 irpi lar to the Lig 3 but with a coring insert and a retaining member removed, Fig. 5 cs a perspective view of the coring insert dc: according to the present invention; Fig. 6 is a top view of the corning insert shown in I a! i 'g.;to . DETAILED DESCRIPTION OF THE INVENTION The ation is real here first to K i g. 1. The present invention will be described herein with reference to a drill 10, however it will be clear to the person skilled in the art that it may be apllicable: to a variety of dc. : rotary cutting tools where required c: I dosba rbam i enfo. The drill 10 L has a longitudinal axis dc; rotated; They will: define a front to rear direction and a cutting tip 12 1 attached at a front end of: the same. Edge-shaped flanges 14, which extend rearwardly from the cutting tip 12 along a peripheral surface 16 of the drill 10, form two identical flat panels 18 therebetween. A mechanic: desba rbam i in the 20th century: Awarded with the present invention is formed on one of the flat parts 18 adjacent to the leading edge: 12. It should be noted that the terms given in 1 are that : appear throughout The specification and claims, for example "front", "back", "front", "back", ole. They are useful as terms of agreement to distinguish several surfaces relative to one another. Although these terms can be meaningful with reference to particular component orientations, they are used for propeasyl and illustrative purposes only, and do not propose to limit the scope of the attached claims. I blamed her; ion se: rc: laciona ad i c i ona 1 men Le a la Mi g. 2. A chord 22 for c: 1 fl uid passage, which fills a main portion 24 and two minor portions 26, is formed in the drill 10. The main portion 24 extends forwardly along the length of the d: I; jc: cié: rotation A to a front runner 28 adjacent to the cutter tip 12. Each smaller portion 26 is: deviated forward and toward the end of the run. The te rm i nae: i cn dc: I arriera 28 to a respective planar part 18. kl mechanism: desba rbam i can read 20 includes: a drilling dc: retention 30 a member dc: retention 32 and an insert; cutting 34 which is a layer, of the lateral movement between a rigid position; ral da and an extended position in a generally cylindrical insert cavity 36. Co or will be decrypted; in greater detail below, the cutting edge 34 is prevented from leaving the cavity dc: inserted 36 by means of the holding member 32, and almost cahargious in the insertion space 36 by means of: the premier dc: f I know that I'm going directly against cl. Insert Corlante 34 was one of its extremes. The a Lene: ion se: role. ac: i ona to the ki s. A to 6. The cavity dc: insert 36 ccamuniou with the main portion 24 of the condyle 22 and open outwardly to the flat part 18 by way of an opening 38. The retaining perforation 30 is formed in the flat part 18 adjacent to the cavity of insert 36 and has: a threaded portion 40 and an eq. I Lo 42. The jaw 42 extends outwardly from: the threaded portion 40 and opens outwardly to the flat part 18. k I insert corlant: 34 has: an insert shaft B defining a front-to-back direction and comprising a generally body portion; c; lindrica 44 and a cutting portion 46. The porcrión dc; body 44 L ene; a super fie; i c rear 48 at a rear end, a front surface 50 at a front end and a surface dc: peripheral body 52 therebetween. A plane P that rich I uyc: c: I c; j c: dc; insert B di ide CD 1 insert; cutting 34 in sides calos. A retaining groove 54 having a slot face 56 and a rear face 58 is formed apart from the surface of the peripheral body 52, on a 1 ade; of the guiding insert 34, and open outwardly to the surface f I 50. The groove collar 56 has a concave arch shape in a cross section perpendicular to the insert axis B and the rear crank 58 is located at an extreme; rear dc: the slot dc; sprout i can 54 and is perpendicular to the axis: dc: insert B. the corridor portion 46 has opposite flanking projections 60 and an upper surface 62 Icadas extending forward from: the surface i; i c: f rerad 1 50 of: the portion of: body 44 to an insert projection; 64. The flanking surfaces 60 are located on opposite sides of the plane P. The super f i c: The upper 62 makes: bridge between; The surfaces 60, it is generally perpendicular to the plane P and close to the insertion axis B. The cutting portion 46 has two intersecting edges 66 each located between the surface 62 and a respective upper surface 60. The corneal edges 66 are of symmetric reflectance with respect to the plan P and t ic cn each one; a surface of i nc; 1 i na n: 68 associated with a superimposed surface and a surface area associated with the respective flood surface 60. The a tine and can not relate to it; i cana I men Le; to the k? q.3. kl Insert Corlante 34 is I Ica za; in the insert cavity; 36 with its posterior surface 48 facing towards; kl dc member: retention 32 l i n a portion of torn and Mea 72 and a head 74 that ostensively, turf, dc: reascaela received the threaded portion 40 and occluded or the casqui Me; 42 of the retention hole 30. ka ca b / a 74 of the retreat member; ican 32 protrudes: from the insert cavity 36 and, when the insert 34 is in the extended position, it collects with at least a portion of the rear flange 58 of the slot; retention 54. The dcM rotation insert; cut it 34 in a given digestion around the insert B cs 1 imitated in the insert cavity 36 pierce the end / of 74: 1 retention member 32 that collates; nor the eaara dc; the slot 56 of the retaining slot 54. The loading of the inserting insert 34 in the cavity insert 36 is proportional; It is supported by the fluid that flows through the conduit 22 and the shell of the insert 36. The pressure of the fluid that falls into the cavity of; insert 36 is brought against the rear surface 48 of the cutting insert 34 by forming a force that biases and pushes the insert ce; r ante: 34 ra d i a I me: n t. and; h to c; i a to outside. ? uncaμjc; The invention has been described to a certain degree of: particularity, it should be understood that several of the same; rae: i ones and rnod i í i i i i i can not be made; dc: Icance: dc: the invencican eats; is beloved network after in the pre: sc: n te:.

Claims

CLAIMS 1. A he; r rain i cania rotante.atoria, acterizada because l caraca a longitudinal axis of rotation and gue comprises: a conduit, p ra passage of fluid, for ade; in the cutting tool and generally extending axially, a cavity dc: insert that opens out to a peripheral surface dc; the cutting tool by way of: an opening, the insert cavity which: communicates with the conduit, and an insert; sharp desli zab 1 emen retained in the cavity of: insert;, insert; cut him that; it is removable from a retracted position to an extended position for the medium; dc: pressure of; Fluid applied to the fluid that leads against and cuts the cutting insert towards the extended position, where: in the pos i c; Ion extended at least a portion of the protruding nose protrudes from the opening more to the surface of the peripheral surface of the cutting tool. ? . The rotary tool according to claim 1, characterized in that a pe r faith; rae i can dc: rol.cnc: i ón se: opens out to the super fie; It is peripheral and communicates with the cavity of; Insert 3. The rotary cutting tool according to the rc: i v i nd i e; ac; i c; n 1, characterized because the i nserto corlanle licario an axis: of i nserto that defi ne a direcion post er to f ront a l and a plañe; that: i ncl uy the e je dc i nsert or goes through t ives, i l l i nserte; cutting that: comprises:: a portion of the body having a surface post and an angle extending from the body piercing, and a portion with an outer ring extending to the body; The portion of the body, the portion of which would have two edges, will be of symmetrical shape with respect to the angle. . ka her ramient cort e rea lor ia in accordance with l a re i v i ndication 3, characterized because cal f l u prcasu r i zade; It is: l eva d rectly e against the post f erial surface of the i nsert o e t e e t. The . This is in accordance with the re-labeling, characterized by the fact that a retention member is located in the perforation of the real caries: i can and cea i i nda cM insor lo ceart ant ea when oli nserto Cutting: This is the extended position. 6. K e lo r r i aral to shear rolatoi that of con fi nemity cean l a re i v e ndication 1, characterized by the fact that the tool to capture the real e to the ear is a breaka.